Meintest du modell?
A variety of species in the world’s oceans, from microscopic organisms to large sharks, survived the mass extinction 65 million years ago. Many organisms living in freshwater lakes and streams were al
Chambered nautilus model.
encouraging efficient practices. The Fossil Ridge High School in Fort Collins, CO, is 60 percent more energy efficient than other similarly sized schools.
Becoming a role model At work Supporting best practices Encourage the purchasing
Hidden from view, shielded from the elements, caves harbor tantalizing traces of Cuba’s past.
Museum visitors view a model of Ornimegalonyx on display in the !Cuba! exhibit.
Modern conveniences have vastly improved our lives, but when fossil fuels provide the energy to make and power them, the planet’s climate pays a price.
More in Climate Change Share TRS-80, Model I computer, introduced 1977.
No, your eyes aren’t playing tricks. This Apatosaurus louisae is steel and fiberglass, not 150-million-year-old bone.
video © 2005 Neck and Neck Scientists tested the validity of their computer model
Protoceratops, like most ceratopsians, had a large head compared to its body. One reason ceratopsian heads were so enormous is that the skulls had bony collars, known as frills, covering the neck. Lik
More in Dinosaurs: Ancient Fossils, New Discoveries Share Protoceratops model
The group of dinosaurs known as pachycephalosaursids had distinctive heads, with high, round skulls. Scientists once thought that modern bighorn sheep, with their two large, rounded horns, could provi
that modern bighorn sheep, with their two large, rounded horns, could provide a model
In the industrialized world we don’t see much coal, so it may not seem to figure in our everyday lives. But think again.
More in Climate Change Share A model of a metric ton–2,200 pounds–of coal.
Teasing out the links between disease and climate change presents a scientific challenge. Some of the complications: When a disease pops up in a new place, is it because a susceptible population has m
There, it multiplies in red blood cells (model).
Learn about what makes butterfly wings so colorful, what organs they use to smell and taste, and how to identify moths.
predators into leaving it alone by looking nearly identical to its distasteful model
